JB4 for Porsche 718
 

https://cdn.shopify.com/s/files/1/08...g?v=1580831297

Use subject to terms and conditions posted at http://www.burgertuning.com/terms.html

Order here: https://www.burgertuning.com/product...jb4-tuner-beta

THIS PART IS LEGAL FOR USE ONLY IN COMPETITION RACING VEHICLES AS DEFINED UNDER CALIFORNIA LAW, AND IS NOT LEGAL FOR USE IN ANY OTHER MOTOR VEHICLE. California law defines a "racing vehicle" as "a competition vehicle not used on public highways." (Calif. Health & Safety Code 39048) This part may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event. Competition-only motor vehicles may not be driven to a racing event on a public highway and must be transported on a trailer or other carrier. USE OF THIS PART IN ANY OTHER VEHICLE MAY SUBJECT YOU TO FINES AND PENALTIES FOR VIOLATION OF FEDERAL AND/OR STATE LAW, WILL VOID YOUR WARRANTY FROM BURGER MOTORSPORTS, INC, AND CAN VOID YOUR VEHICLE'S WARRANTY. It is your responsibility to comply with all applicable federal and state laws relating to use of this part, and Burger Motorsports, Inc hereby disclaims any liability resulting from the failure to use this part in compliance with all applicable federal and state laws.


We'll use this thread for our Porsche 718 BETA updates, map guides, firmware, and discussion!


Install Guide here: https://www.n54tech.com/instructions...tall_guide.pdf

Optional map changing, datalogging and updates are done using the BMS data cable or JB4 Mobile REV3 bluetooth kit.

JB4 Mobile Smart Phone wireless connection directions Click here
BMS data cable hard wired directions and software Click here


Map guide:

Map0 - JB4 disabled
Map1 - 2psi peak 91 octane
Map2 - 3psi peak 91/93 octane
Map3 - 4psi peak 93 octane, race gas, or ethanol blend
Map4 - 6psi peak ethanol blend or race gas
Map5 - 8psi peak ethanol blend, race gas, CPI required
Map6 - User adjustable by RPM map using settings on user adjustment page. Setting of 5.0 would request 5psi over stock at that specific engine speed.
Map7 - Progressive WMI integrated map, boost profile under WMI flow adjustable on WMI page.
Map8 - Low boost VALET map COMING SOON


Firmware:

JB4_PORSCHE_718_5:

1) Corrected issue with boost targets being scaled higher than intended in v4.

JB4_PORSCHE_718_4:

1) Revised top end boost and other mapping changes.

JB4_PORSCHE_718_3:

1) Revised boost scaling in app
2) Revisions to map4 & map5

JB4_PORSCHE_718_911.2_1:

1) Added additional logging channels for bank2 AFR, bank2 fuel trims, intake air temperature, high fuel pressure, and more.

718_1: Initial firmware.



How to update firmware:

For firmware updates if having issues we suggest you turn off WiFi, change upload timeout to 25, and set your phone next to JB4 box under the hood.

Download firmware using the new JB4 Mobile firmware database or externally by clicking this link.

I’ve installed mine. Need some help understanding which map is which. Also the Bluetooth is not connecting to the the gauges. It will for a moment, but then goes to zero. Two gauges will work but doesn’t seem real time.

Had a customer connect the JB4 connections in the wrong spot limiting boost. Be sure rainbow patch is on the MAP sensor as shown!

Do any of the maps currently available require any modifications?

No they don't.

Ordering mine now for my 718 GTS. Will be running a ******* ********. Do I need to use a specific map, or will I need an O2 Spacer?

Inside USA we can't provide any advice. Outside USA there is a passive delete option for those.

Sorry Terry, I should have mentioned the car will be used for track racing only. Where would I find information on the passive delete option?

I just purchased it and will have it installed very shortly. Very excited. The dyno charts posted on the order page are for a base model running E26 fuel correct?

What are the power gains for each maps on regular 91/94 fuel?

I dyno'd my stock GTS on sunday. 91 degrees, 65% humidity, 700miles on the odometer. made 354hp/ 335torque.

I dyno'd my stock GTS on sunday. 91 degrees, 65% humidity, 700miles on the odometer. made 354hp/ 335torque. will dyno the jb4 when I get it.

I'm very curious about the base model since this is what I have, and everything seems to be about the 2.5

Sounds good! Steve can help you crank up the boost too if you need. :)

Has there been any updates on the progress of Maps 5-8?

No we haven't done any higher maps yet, as Steve is continuing fuel development so we can determine how far we can safely push it.

Sounds good! Just ordered mine for my gts yesterday! cant wait!

Harnesses are on back order for a couple weeks I think, but we'll ship it as soon as we can.

Had it installed, have been running map 4 for around a month now, and 3 pretty agressive track days. The car performed wonderfully.

Had a cooling system fault on the last day, but temps didn't exceed normal ranges and once I cleared the codes they never came back.

Also curious about the O2 sensor. I'm in Canada and my next purchase is a ******* ********, would the tune take care of the CEL or would I have to erase the faults at every start?

Cheers!

Passive delete is an option for outside the USA work, should work but we've not tested it yet on the 718.

I will end up giving it a try I think. How about the boost spike issues some people are reporting without a tune?

Thanks,

Until I see a JB4 log of it it's hard to evaluate. If you have any tuning issues with them share the log and lets see what we can work out!

Added updated firmware to first post

Mine is on the way for my 718 cayman s.

If i run map 4, how much E85 can i filled up? gallons wise combine with 91 gas

Start with something like an e20 blend. Maybe 3-4 gallons to a full tank of 91.

Log on the lower maps first and post the logs here so we can evaluate before moving up to map 4.

So would it be better to start off just with 91 map 2?

Then go from there with a blend?

Sorry, coming from an RS3 on FULL E85, the power is very much wanted on the 718